You rush up to his side, pretending to be a caring follower, while instead draweing your sword under your cloak.
He coughs again and again a figure is spewed from his mouth in a wash of see water.
You realise, with a bit of a shock, that these must be your brothers and sisters.
Smirking evily you thump Cronus on the back. An innosent jesture to clear his throat, but in actual fact, it brings up two gods at once. Then finally, in a wash of firy breath, a woman flies from his mouth, performs a double flip in the air and lands on her feet.
With this Cronus slumps over looking weak.

tell the girl to smash him in the face with fire while you stab him threw.

stab him, now!